Vaginal health can be assessed during a pelvic examination, along with the health of most of the organs of the female reproductive system. In the united states, pap test screening is recommended starting around 21 years of age until the age of 65. However, other countries do not recommend pap testing in non-sexually active women. during childbirth, the baby passes through the vagina (birth canal). The hymen is a thin membrane of tissue that surrounds and narrows the vaginal opening. your vaginal canal and the opening of your vagina will stretch a great deal to allow a baby to pass through. babies who are unable to pass through the birth canal may be delivered via cesarean section. Just as the birth canal is built to stretch widely for a baby, babies are a built to get through this perilous passage. One of the reasons infants have soft spots on their heads is so that their heads can be squeezed as they make it through the canal. During a vaginal delivery, your baby passes through your dilated cervix and pelvis into the world. For some babies, this trip through the birth canal doesnt go smoothly. Birth canal synonyms, birth canal pronunciation, birth canal translation,. The babys mouth, eyes, nose and lips are exposed to its mothers vaginal and fecal bacteria as it passes through the birth canal. Why breastfeeding is crucial within the 1st hour of childbirth.